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CVE Record

CVE-2025-31200: A memory corruption issue was addressed with improved bounds checking.

A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1.

CriticalCVSS 9.8Known exploitedUpdated
Glexia's TakeHuman reviewedcritical

Security readout for executives and security teams

Plain-English summary

CVE-2025-31200 is an Apple media-processing flaw where a malicious media file could trigger code execution. Apple fixed it across major platforms and stated it may have been used in highly sophisticated attacks against specific targeted iOS users before iOS 18.4.1.

Executive priority

Treat this as urgent for Apple fleets, especially mobile devices used by executives or sensitive personnel. The combination of code execution, Apple-confirmed targeted exploitation reports, and CISA KEV listing justifies accelerated patch validation and executive-level visibility.

Technical view

The issue is described as memory corruption addressed by improved bounds checking. Processing an audio stream in a crafted media file may lead to code execution. The bundle lists CWE-119, CVSS 9.8, and fixes for iOS/iPadOS, macOS Sequoia, tvOS, visionOS, and watchOS.

Likely exposure

Exposure is likely wherever Apple devices process untrusted media and run versions earlier than the fixed releases. Highest concern is unmanaged or high-risk iOS devices before iOS 18.4.1, because Apple specifically cited targeted exploitation there.

Exploitation context

Active exploitation is supported by Apple’s advisory language and CISA KEV inclusion. Public evidence in the bundle points to targeted, sophisticated attacks, not broad commodity exploitation. The bundle does not provide confirmed exploit mechanics, affected component internals, or victim details.

Researcher notes

The source bundle supports severity, affected Apple platforms, fixed versions, and targeted exploitation reporting. It does not include reliable low-level root cause detail beyond memory corruption and bounds checking, so validation should focus on version state and exposure management rather than exploit reproduction.

Mitigation direction

  • Update iOS and iPadOS devices to 18.4.1 or later.
  • Update macOS Sequoia systems to 15.4.1 or later.
  • Update tvOS to 18.4.1 and visionOS to 2.4.1 or later.
  • Update watchOS devices to 11.5 or later.
  • Prioritize executives, administrators, journalists, activists, and other high-risk users.
  • Track Apple and CISA guidance for any revised remediation details.

Validation and detection

  • Inventory Apple device OS versions through MDM or asset management.
  • Confirm devices meet or exceed the fixed versions listed by Apple.
  • Check vulnerability management records for CVE-2025-31200 coverage.
  • Flag unmanaged Apple devices for urgent review and update.
  • Review CISA KEV tracking for required remediation timelines.
  • Document exceptions where devices cannot be updated immediately.
Prepared
Reviewed
Confidence
high
Sources
8

Michael Williams reviewed this cited source version on .

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-119: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-31200 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
Yes
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
11Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2025-31200Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOS and iPadOS0Listed
ApplemacOS0Listed
AppletvOS0Listed
ApplevisionOS0Listed
ApplewatchOS0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-119 · source CWE mapping

Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.